#include <iostream>
#include <string>

using namespace std;

class student
{
private:
    string name;
    int    rank;
    int      id;
public:
    student(string stu_name , int stu_rank)
    {
        name = stu_name;
        rank =stu_rank;
    }
    void check_rank()
    {
        cout << "姓名: " << name << " 成绩 :" << rank << endl; 
    }
};

class system
{
private:
    student stu;
public:
    void add_stu()
    {
        
        
    }

    void del_stu()
    {

    }

    void update_stu()
    {

    }

    void find_stu()
    {

    }
};




int main(int argc, char const *argv[])
{
    
    student s1("hh",66);
    s1.check_rank();
    return 0;
}
